package include.nseer_cookie;

import java.io.*;
import java.util.*;
import javax.servlet.http.*;

public class downfile {

    public void download(HttpServletResponse response, String filename)
            throws IOException {
        StringTokenizer tokenTO = new StringTokenizer(filename, "\\");
        int j = 0;
        String[] filepath1 = new String[10];
        while (tokenTO.hasMoreTokens()) {
            filepath1[j] = tokenTO.nextToken();
            j++;
        }
        String filepath = "";
        for (int m = 0; m < j - 1; m++) {
            filepath = filepath + filepath1[m] + "\\";
        }
        filepath = filepath + filepath1[j - 1];
        File down_file = new java.io.File(filepath);
        long l = down_file.length();
        InputStream in = new FileInputStream(down_file);
        if (in != null) {
            try {
                String fs = down_file.getName();
                response.reset();
                response.setContentType("application/vnd.ms-excel");
                String s = "attachment; filename=" + fs;
                response.setHeader("Content-Disposition", s);
                OutputStream output = null;
                FileInputStream fis = null;
                output = response.getOutputStream();
                fis = new FileInputStream(filepath);
                response.setContentLength((int) l);
                byte[] b = new byte[2048];
                int i = 0;
                while ((i = fis.read(b)) > 0) {
                    output.write(b, 0, i);
                }
                output.flush();
                in.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
}